Buckle fastener



FIG. 1 in a front elevational view of a buckle fastener showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof; the bottom view being a mirror imagethereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a perspective view thereof.

The ornamental design for a buckle fastener, as shown and described.